while walking walking the dog ,you were careless and it got loose and was hit by a car为什么要用 while （you are ）walking walking the dog 而不是you were,不要讲的太抽象.什么一般情况,特殊情况的,听不懂,

Walking offers many of the same physical and mental benefits as other forms of exercise,but walkin接上 offer some special advantages,too walkin' a thin while we were walking yesterday afternoon.the bell rang. you shouldn't eat or drink while walking,为什么要用walking 谁帮我翻译这首why can't i歌词如果能搜到那就更强了～本座驰骋互联网数N年,竟搜不到…………顺便问一下walkin'跟walking是不是一样的?Get a load of me, get a load of you Walkin' down the street, and I hardly k _____ on a clear day,far from the city crowds,the mountains give him a senA：If walking B：Walking C：While walking D：When one is walking walking walking walking While I was walking in the street,I met Liu Dehua.转化为I met Liu Dehua while I was walking in the street.while换when, while walking walking the dog ,you were careless and it got loose and was hit by a car The women （with a baby） is walking into shop.就括号里的提问He has a quick breakfast.改为同义句The women （with a baby） is walking into shop.就括号里的提问He has a quick breakfast.改为同义句这是原题。( )( )is walkin in the street,a terrible car accident happened,resulting in three deaths. A While walking B Walk C Walking D When I was walking ____ across the railway ,a train hit it.A While walkingB Walking slowlyC As it was walkingD While the sheep was walking While the boy was walking down the street,the UFO landed,对While the boy was walking down the street提问 They kept on walking ＿＿they found a lake.填while还They kept on walking ＿＿they found a lake.填while还是when? eg：while walking the dog 为状语从句的省略 所以,while后面都加ieg：while walking the dog 为状语从句的省略 所以,while后面都加ing形式? while the boy was walking down the street,the UFO landed同义句4种